.Bottom{
    position: fixed;
    bottom: 0;
    display: flex;
    justify-content: space-around;
    height: 50px;
    width: 100%;
    border-top: 1px rgb(205, 202, 202) solid;
    background-color: white;
}
.Bottom .item{
    display: flex;
    flex-direction: column;
    align-items: center;
}
.Bottom div.active{
    color: red;
}

.Bottom .item span{
    font-size: 14px;
    margin-top: 2px;
}
.Bottom .item .iconfont{
    font-size: 22px;
}